Home / 61,263,418.40-91,783,153.20-49,842,029.60

Finding the Fourth Proportional to 61,263,418.40, 91,783,153.20 and 49,842,029.60

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Solution

The fourth proportional to 61,263,418.40, 91,783,153.20 and 49,842,029.60 is: 74,671,945.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,263,418.40 : 91,783,153.20 = 49,842,029.60 : x
  2. Step 2: Convert to fraction form
    61,263,418.40/91,783,153.20 = 49,842,029.60/x
  3. Step 3: Cross multiply
    61,263,418.40x = 91,783,153.20 × 49,842,029.60
  4. Step 4: Simplify right side
    61,263,418.40x = 4,574,658,638,575,735
  5. Step 5: Solve for x
    x = 4,574,658,638,575,735/61,263,418.40
  6. Step 6: Final answer
    x = 74,671,945.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.